The SRX3400 Services Gateway chassis is a rigid sheet metal structure that houses all of the other device components. The chassis measures 5.25 in. (13.3 cm) high, 17.5 in. (44.5 cm) wide, and 25.5 in. (64.8 cm) deep (from the front to the rear of the chassis). The chassis installs in standard 800-mm (or larger) enclosed cabinets, 19-in. equipment racks, or telecommunications open-frame racks. Up to 16 Services Gateways can be installed in one standard (48-U) rack if the rack can handle their combined weight, which can be greater than 1,225 lb (556 kg).
Figure 2: Front View of the SRX3400 Services Gateway
Figure 3: Rear View of the SRX3400 Services Gateway